Chase Purdy reports via Quartz: The maker of vegan mayonnaise has been working on getting lab-made meat onto dinner tables everywhere. It's just that nobody knew about it. Hampton Creek -- a company that built its name on plant-based condiments and vegan-friendly cookie doughs -- today revealed that, for the last year, it has been secretly developing the technology necessary for producing lab-made meat and seafood, or as the industry likes to call it, "clean meat." Perhaps even more surprising is that Hampton Creek expects to beat its closest competitor to market by more than two years. Since it was founded in 2015, Memphis Meats has raised at least $3 million from five investors for the development of its meat products, according to Crunchbase. By contrast, Hampton Creek -- just a 20-mile drive from its Silicon Valley rival -- has raised more than $120 million since 2011. It's one of Silicon Valley's unicorns -- a company that has a valuation that exceeds $1 billion.